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Features of Our Technology

Supplying the various types of motorcycle, automobile and outboard components and parts under the process control, material procurement ~ machining ~ painting ~ assembling.

技術の特徴

Supplying the various types of motorcycle, automobile and outboard components and parts under the process control, material procurement ~ machining ~ painting ~ assembling.

Contact us if you need solutions for aluminium, iron or titanium products.

Johoku is the professional group for manufacturing products and processes, machining, painting and assembling.
We have networks with bussines partners and tackle trial products and high-mix low-volume products using Johoku technology.
We provide a consistent & high QDC service from material procurement to prodact assembling. 

Flexible process from small parts to large size products.

High quality & high accuracy manufacturing for high-mix products.

[ Main products & trial products ]

  • Motorcycle parts ( wheel assy, frame component, engine parts, etc )
  • Automobile parts ( engine parts, drive-train parts, etc )
  • ATV parts ( golf car parts, snow vehicle wheel assy, suspension part, etc )
  • Outboad parts ( cylinder, engine head, cam cover, etc )  
  • Other component

[ Main components ]

  • Engine ( piston, head cylinder, body cylinder, cover crankcase, oil pan, etc )
  • Mission ( mission case, gear, shift, bracket, etc)
  • Frame ( body frame, head pipe, etc )

Consistent process for high quality

Each process is arranged efficiently with QDC satisfaction

All process is in a factory. Efficient lines are contructed. Owning to our manufacturinng system, we provide the high quality products rapidly upon customer order.

Cast wheel process motorcycle

1.加工
1.Machining NC lathe & machining centre
2.塗装
2.Painting6Cr free electrostatic coating process
3.組立
3.Assemblingline for Fr & Rr wheel
4.検査
4.Inpectionvisual inspection
The processes in more detail are in the links below.

Appropriate process for various materials

Main material

Guaranteeing casted material quality ( sand, lost-wax, plaster )
  • AC4C
  • FC250
  • FCD450
  • FCD600
  • A7N01
  • A2024
  • SCM420

Machining solution

Offering the most appropriate solution for metal maching using 5-axis, 3 dimension machining,etc. 
  • NCturing machining
  • MCmachining
  • electric arc machining
  • wire cut machining
  • gear cutting
  • gear polishment
  • sheet-metal processing